Fin for heat exchanger



FIG. 1 is a top and right front perspective view of a first embodiment of fin for heat exchanger, showing our design;

FIG. 2 is a front elevational view of the first embodiment;

FIG. 3 is a rear elevational view of the first embodiment;

FIG. 4 is a top plan view of the first embodiment;

FIG. 5 is a bottom elevational view of the first embodiment;

FIG. 6 is a right side elevational view of the first embodiment;

FIG. 7 is a left side elevational view of the first embodiment;

FIG. 8 is an enlarged cross-sectional view of the first embodiment taken along line 8-8 in FIG. 4;

FIG. 9 is a top and right front perspective view of a second embodiment of fin for heat exchanger, showing our design;

FIG. 10 is a front elevational view of the second embodiment;

FIG. 11 is a rear elevational view of the second embodiment;

FIG. 12 is a top plan view of the second embodiment;

FIG. 13 is a bottom elevational view of the second embodiment;

FIG. 14 is a right side elevational view of the second embodiment;

FIG. 15 is a left side elevational view of the second embodiment; and,

FIG. 16 is an enlarged cross-sectional view of the second embodiment taken along line 16-16 in FIG. 12.

Portions of the disclosure shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a fin for heat exchanger, as shown and described. 